If you go commando and altogether forego the sprung brass plate designed to strain the oil, you'll see more oil out of the breather, across the bottom of your motorcycle. The harder you run it, the more oil will escape. Racers din't care about that. But the system as-designed works well.
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Fixing up a cam cover; please help me understand breathing
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Originally posted by Sargehere View PostIf you go commando and altogether forego the sprung brass plate designed to strain the oil, you'll see more oil out of the breather, across the bottom of your motorcycle. The harder you run it, the more oil will escape. Racers din't care about that. But the system as-designed works well.
I don't even need either cover right now for anything, it's just winter and I am not building anything and I 'm tryna keep my idle hands busy.
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Yah, we're all here to have fun! With fascinating technology that was obsolete before most of us was born.
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Reasons #1 through 10 for leaving out part of the original design: don't understand what it does.
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Originally posted by kitabel View PostReasons #1 through 10 for leaving out part of the original design: don't understand what it does.
Some things are just burned in. Fond memories.
Not necessarily the best engineering practices after all.
Cut off the sidecar loops to "clean up" the front of the Harley's frame, and the lugs for the rear stand? Never use that again! All the speedo mounts that got shaved off for peanut tanks in doze daze...Last edited by Sargehere; 01-14-2019, 09:56 PM.
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Originally posted by kitabel View PostReasons #1 through 10 for leaving out part of the original design: don't understand what it does.
Originally posted by Sargehere View PostReminds me of building my first choppers. We're "improving on what the factory originally made, customized just for us." Raked the forks, stretched the frames of unit Brit bikes that shifted on the wrong side while listening to Hendrix and crossed the desert on a Horse With No Name.
Some things are just burned in. Fond memories.
Not necessarily the best engineering practices after all.
Cut off the sidecar loops to "clean up" the front of the Harley's frame, and the lugs for the rear stand? Never use that again! All the speedo mounts that got shaved off for peanut tanks in doze daze...
I bought that bike after sitting in a barn for 30 years, and I got it running and scrubbed it up without recoating anything, and a year later my buddy met me down at the chopper show the night before The Race of Gentlemen. He showed his bike 35 years after it won its first trophy, and he was happy as a clam to take home another. I wouldn't trade that memory off for the world.
I got a pretty original old bike, too, and that old thing is a hoot to ride, in a totally different way. But it's easy to understand why modern bikes are popular
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W/r/t "don't understand what it does"
Sorry, that was rude of me. Not directed toward you, just a general observation.
The flutter valve does something useful, otherwise you will have liquid oil pouring out of the slot on the end of your stand pipe. The spring loaded plate is just a seal, if you can measure it carefully it can be permanent instead of floating. I'm surprised the replica cover is incomplete. The WLA stand pipe ends in a chain oiler (or a tank return) so the oil at least goes somewhere useful.
Nothing is sacred, do whatever you want with it.
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No biggie. I got thick skin. And your point is certainly not without merit.
I agree, the flutter valve is a non-negotaiable. Given how high the genny sling sealer thing sits, I bet it doesn't make a total mess.
I will report back with my findings... but first I need to find most of the other parts to another U. I got some heads, so that's a start.
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